CreateQuery nested_not_a_map (children 3)
 Identifier nested_not_a_map
 Columns definition (children 1)
  ExpressionList (children 6)
   ColumnDeclaration d (children 1)
    Function today (children 1)
     ExpressionList
   ColumnDeclaration k (children 1)
    DataType UInt64
   ColumnDeclaration payload (children 1)
    Function rand (children 1)
     ExpressionList
   ColumnDeclaration OnlyOneColumnMap (children 1)
    DataType Nested (children 1)
     ExpressionList (children 1)
      NameTypePair ID (children 1)
       DataType UInt32
   ColumnDeclaration NonArithmeticValueMap (children 1)
    DataType Nested (children 1)
     ExpressionList (children 2)
      NameTypePair ID (children 1)
       DataType UInt32
      NameTypePair Date (children 1)
       DataType Date
   ColumnDeclaration Nested_ (children 1)
    DataType Nested (children 1)
     ExpressionList (children 2)
      NameTypePair ID (children 1)
       DataType UInt32
      NameTypePair Num (children 1)
       DataType Int64
 Storage definition (children 1)
  Function SummingMergeTree (children 1)
   ExpressionList (children 3)
    Identifier d
    Identifier k
    Literal UInt64_8192
